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New Hot Water Service – Electric or Gas?

For household comfort, your hot water system can be overlooked until something goes wrong.

Hot water is how you start your day and often how you end it after a day of work with a shower.
The choice between a gas and electric hot water system is something we get asked a lot about.
Our clients want to know what kind of hot water system should they install.

The Power Source: What Makes It Hot

At the heart of the divergence between gas and electric hot water systems lies the source of their power. 

Gas systems, as the name suggests, harness the power of natural gas or LPG to heat water. This process typically occurs within a combustion chamber, where a burner ignites the gas, transferring the resultant heat to the water. The advantage of gas-powered systems lies in their ability to rapidly heat water, making them a preferred choice for households with high hot water demands.
Gas systems can be either an instantaneous hot water – It only heats the water that is required. Or it can be a gas storage hot water service.

On the other hand, electric hot water systems rely on electricity to warm the water. Inside these systems, there’s an electric part that works like a big resistor. It generates heat when electricity goes through it. While electric systems are often more straightforward in design, their heating process tends to be slightly slower compared to their gas counterparts. They are most commonly electric storage hot water services.
This variance in heating speed can influence the overall efficiency and convenience of the hot water supply.

Efficiency Matters: The Energy Consumption Equation

The importance of energy efficiency plays a crucial role in our journey towards sustainable living. In hot water systems, it’s essential to comprehend how gas and electric variants handle energy consumption. Gas hot water systems are widely praised for their high efficiency. The combustion of gas in these systems facilitates a rapid and effective transfer of heat to the water, reducing energy wastage to a minimum.

In contrast, electric hot water systems, though convenient to install and often more affordable initially, maybe a bit less efficient in using energy. When electricity is turned into heat, some energy is naturally lost, affecting the overall efficiency of the system. However, advancements in technology have led to the development of electric systems with improved insulation and energy-saving features, narrowing the efficiency gap between the two.

Environmental Footprint: Gas vs. Electric Sustainability

In today’s world, it’s crucial to think about how our choices affect the planet. When it comes to household appliances, especially hot water systems, understanding their impact on the environment is really important.

Gas hot water systems utilise natural gas or LPG, and when they work, they release carbon dioxide, which isn’t great for the environment. But the good news is that modern gas systems are designed to be more efficient and have ways to control emissions, helping to reduce their impact on the environment.

On the other hand, electric hot water systems might seem better for the environment at first. However, they rely on the electricity grid for power, and how good or bad they are for the environment depends on where that electricity comes from. If the electricity mostly comes from renewable sources like wind or solar, then the electric system is better for the environment. However, if it comes from non-renewable energy sources, then it can worsen the environmental impact, highlighting the interdependence of hot water systems with broader energy sustainability goals.

gas hot water

Space and Installation: Navigating the Practical Landscape

The spatial footprint and installation requirements of hot water systems often dictate their suitability for diverse households. Gas systems need more room because they have chambers for burning and need ventilation room. Gas hot water systems by law must be kept certain distances away from windows, eaves, doorways and air conditioners. This can be a problem in smaller homes or places where space is limited.

On the other hand, electric hot water systems are usually bigger but they they don’t have complicated parts like gas systems. They’re simple to put in, and you don’t need the ventilation requirements, making electric systems a practical option for different homes.

Lifespan and Maintenance: Prolonging the Warmth

The durability and maintenance needs of hot water systems are crucial factors that significantly impact the overall expenses associated with ownership. Gas hot water systems, equipped with robust components like heat exchangers and burners, often exhibit a longer lifespan compared to their electric counterparts. Regular maintenance, including professional inspections and periodic cleanings, is vital to ensure peak performance and extend the system’s longevity.

Electric hot water systems, though generally sturdy, may experience a shorter lifespan due to the wear and tear associated with electric heating elements. Additionally, these systems may require more frequent maintenance to address issues such as sediment buildup and potential corrosion. 

Understanding the maintenance demands of each system is crucial for homeowners seeking a reliable and long-lasting hot water solution.

The Bottom Line: Choosing Wisely for Home Comfort

Each option brings its own set of advantages and considerations, requiring an evaluation based on individual needs and priorities. Gas systems excel in terms of swift heating, efficiency, and overall lifespan, while electric systems provide simplicity, versatility, and a potentially smaller environmental footprint.

When we are called in to replace a hot water service, we can give you the advice that relates to your home.
We will look at things like:

  • Existing utility connections to your home
  • Placement of the hot water service
  • Hot water requirements
  • Current government guidelines or incentives
Poc Team

Discover Unmatched Hot Water Expertise with POC Plumbing & Roofing in the Sutherland Region! 

With over two decades of dedicated service, we stand as your Sutherland Shire hot water system specialists. As gas fitters, we can install both types of hot water systems.
Trust us to deliver excellence in installation, repairs, and maintenance.
Whether it’s the efficiency of gas systems or the simplicity of electric ones, we tailor solutions to your unique needs.
Contact us today for unparalleled service and ensure your hot water system runs seamlessly. 

Experience the reliability that comes with over 20 years of expertise – choose POC Plumbing & Roofing for all your hot water needs!

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